diff --git a/core/modules/node/lib/Drupal/node/Tests/PagePreviewTest.php b/core/modules/node/lib/Drupal/node/Tests/PagePreviewTest.php
index 0c82d25..cb704d6 100644
--- a/core/modules/node/lib/Drupal/node/Tests/PagePreviewTest.php
+++ b/core/modules/node/lib/Drupal/node/Tests/PagePreviewTest.php
@@ -40,7 +40,7 @@ function setUp() {
       'name' => $this->randomName(),
       'description' => $this->randomName(),
       'vid' => $this->randomName(),
-      'langcode' => Language::LANGUAGE_NOT_SPECIFIED,
+      'langcode' => Language::LANGCODE_NOT_SPECIFIED,
       'help' => '',
     ));
     $vocabulary->save();
@@ -52,7 +52,7 @@ function setUp() {
       'name' => $this->randomName(),
       'description' => $this->randomName(),
       'vid' => $this->vocabulary->id(),
-      'langcode' => Language::LANGUAGE_NOT_SPECIFIED,
+      'langcode' => Language::LANGCODE_NOT_SPECIFIED,
     ));
     $term->save();
 
diff --git a/core/modules/views/lib/Drupal/views/Plugin/views/display/DisplayPluginBase.php b/core/modules/views/lib/Drupal/views/Plugin/views/display/DisplayPluginBase.php
index 3836263..3f99a5b 100644
--- a/core/modules/views/lib/Drupal/views/Plugin/views/display/DisplayPluginBase.php
+++ b/core/modules/views/lib/Drupal/views/Plugin/views/display/DisplayPluginBase.php
@@ -7,7 +7,7 @@
 
 namespace Drupal\views\Plugin\views\display;
 
-use Drupal\Core\Language;
+use Drupal\Core\Language\Language;
 use Drupal\views\Plugin\views\area\AreaPluginBase;
 use Drupal\views\ViewExecutable;
 use \Drupal\views\Plugin\views\PluginBase;